// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/arguments-inl.h"
#include "src/counters.h"
#include "src/objects-inl.h"
#include "src/objects/js-promise.h"
#include "src/objects/module.h"
#include "src/runtime/runtime-utils.h"

namespace v8 {
namespace internal {

    RUNTIME_FUNCTION(Runtime_DynamicImportCall)
    {
        HandleScope scope(isolate);
        DCHECK_EQ(2, args.length());
        CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
        CONVERT_ARG_HANDLE_CHECKED(Object, specifier, 1);

        Handle<Script> script(Script::cast(function->shared()->script()), isolate);

        while (script->has_eval_from_shared()) {
            script = handle(Script::cast(script->eval_from_shared()->script()), isolate);
        }

        RETURN_RESULT_OR_FAILURE(
            isolate,
            isolate->RunHostImportModuleDynamicallyCallback(script, specifier));
    }

    RUNTIME_FUNCTION(Runtime_GetModuleNamespace)
    {
        HandleScope scope(isolate);
        DCHECK_EQ(1, args.length());
        CONVERT_SMI_ARG_CHECKED(module_request, 0);
        Handle<Module> module(isolate->context()->module(), isolate);
        return *Module::GetModuleNamespace(isolate, module, module_request);
    }

    RUNTIME_FUNCTION(Runtime_GetImportMetaObject)
    {
        HandleScope scope(isolate);
        DCHECK_EQ(0, args.length());
        Handle<Module> module(isolate->context()->module(), isolate);
        return *isolate->RunHostInitializeImportMetaObjectCallback(module);
    }

} // namespace internal
} // namespace v8
